ISIS: an information-efficient spectral imaging system

William C. Sweatt; Clinton Andrew A. Boye; Stephen M. Gentry; Michael R. Descour; Brian R. Stallard; Carter L. Grotbeck

doi:10.1117/12.328092

16 October 1998 ISIS: an information-efficient spectral imaging system

William C. Sweatt, Clinton Andrew A. Boye, Stephen M. Gentry, Michael R. Descour, Brian R. Stallard, Carter L. Grotbeck

Proceedings Volume 3438, Imaging Spectrometry IV; (1998) https://doi.org/10.1117/12.328092
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A specialized hyperspectral imager has been developed that preprocesses the spectra from an image before the light reaches the detectors. This 'optical computer' does not allow the flexibility of digital post-processing. However, the processing is done in real time and the system can examine approximately equals 2 X 10⁶ scene pixels/sec. Therefore, outdoors it could search for pollutants, vegetation types, minerals, or man-made objects. On a high-speed production line it could identify defects in sheet products like plastic wrap or film, or on painted or plastic parts.

Citation Download Citation

William C. Sweatt, Clinton Andrew A. Boye, Stephen M. Gentry, Michael R. Descour, Brian R. Stallard, and Carter L. Grotbeck "ISIS: an information-efficient spectral imaging system", Proc. SPIE 3438, Imaging Spectrometry IV, (16 October 1998); https://doi.org/10.1117/12.328092

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